Vulnerability-Lookup

CNVD-2021-44715

Vulnerability from cnvd - Published: 2021-06-24

Title

libslirp缓冲区过读漏洞

Description

libslirp是一款用于在虚拟机管理程序中管理虚拟网络服务的通用TCP-IP模拟器。 libslirp 4.3.1及更早版本中的slirp.c存在缓冲区过读漏洞，该漏洞源于slirp.c在已超过数据包总长度的情况下仍尝试读取一定量的header数据。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

libslirp缓冲区过读漏洞的补丁

Patch Description

libslirp是一款用于在虚拟机管理程序中管理虚拟网络服务的通用TCP-IP模拟器。 libslirp 4.3.1及更早版本中的slirp.c存在缓冲区过读漏洞，该漏洞源于slirp.c在已超过数据包总长度的情况下仍尝试读取一定量的header数据。目前没有详细的漏洞细节提供。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://lists.freedesktop.org/archives/slirp/2020-November/000115.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-29130

Impacted products

Name
libslirp libslirp <=4.3.1

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-29130",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-29130"
    }
  },
  "description": "libslirp\u662f\u4e00\u6b3e\u7528\u4e8e\u5728\u865a\u62df\u673a\u7ba1\u7406\u7a0b\u5e8f\u4e2d\u7ba1\u7406\u865a\u62df\u7f51\u7edc\u670d\u52a1\u7684\u901a\u7528TCP-IP\u6a21\u62df\u5668\u3002\n\nlibslirp 4.3.1\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684slirp.c\u5b58\u5728\u7f13\u51b2\u533a\u8fc7\u8bfb\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eslirp.c\u5728\u5df2\u8d85\u8fc7\u6570\u636e\u5305\u603b\u957f\u5ea6\u7684\u60c5\u51b5\u4e0b\u4ecd\u5c1d\u8bd5\u8bfb\u53d6\u4e00\u5b9a\u91cf\u7684header\u6570\u636e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://lists.freedesktop.org/archives/slirp/2020-November/000115.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-44715",
  "openTime": "2021-06-24",
  "patchDescription": "libslirp\u662f\u4e00\u6b3e\u7528\u4e8e\u5728\u865a\u62df\u673a\u7ba1\u7406\u7a0b\u5e8f\u4e2d\u7ba1\u7406\u865a\u62df\u7f51\u7edc\u670d\u52a1\u7684\u901a\u7528TCP-IP\u6a21\u62df\u5668\u3002\r\n\r\nlibslirp 4.3.1\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684slirp.c\u5b58\u5728\u7f13\u51b2\u533a\u8fc7\u8bfb\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eslirp.c\u5728\u5df2\u8d85\u8fc7\u6570\u636e\u5305\u603b\u957f\u5ea6\u7684\u60c5\u51b5\u4e0b\u4ecd\u5c1d\u8bd5\u8bfb\u53d6\u4e00\u5b9a\u91cf\u7684header\u6570\u636e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "libslirp\u7f13\u51b2\u533a\u8fc7\u8bfb\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libslirp libslirp \u003c=4.3.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-29130",
  "serverity": "\u4e2d",
  "submitTime": "2020-11-27",
  "title": "libslirp\u7f13\u51b2\u533a\u8fc7\u8bfb\u6f0f\u6d1e"
}

CVE-2020-29130 (GCVE-0-2020-29130)

Vulnerability from cvelistv5 – Published: 2020-11-26 00:00 – Updated: 2024-08-04 16:48

Summary

slirp.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of header data even if that exceeds the total packet length.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

6 references

URL	Tags
https://lists.freedesktop.org/archives/slirp/2020…
http://www.openwall.com/lists/oss-security/2020/11/27/1	mailing-list
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.debian.org/debian-lts-announce/2021…	mailing-list
https://lists.debian.org/debian-lts-announce/2023…	mailing-list

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T16:48:01.400Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.freedesktop.org/archives/slirp/2020-November/000115.html"
          },
          {
            "name": "[oss-security] 20201127 CVE-2020-29129 CVE-2020-29130 QEMU: slirp: out-of-bounds access while processing ARP/NCSI packets",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2020/11/27/1"
          },
          {
            "name": "FEDORA-2020-77f93f41be",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPCOHDEONMHH6QPJZKRLLCNRGRYODG7X/"
          },
          {
            "name": "FEDORA-2020-331e1318dd",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/45S5IHSWYITJKMRT23HCHJQDI674AMTQ/"
          },
          {
            "name": "[debian-lts-announce] 20210218 [SECURITY] [DLA 2560-1] qemu security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html"
          },
          {
            "name": "[debian-lts-announce] 20230314 [SECURITY] [DLA 3362-1] qemu security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "slirp.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of header data even if that exceeds the total packet length."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-03-14T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://lists.freedesktop.org/archives/slirp/2020-November/000115.html"
        },
        {
          "name": "[oss-security] 20201127 CVE-2020-29129 CVE-2020-29130 QEMU: slirp: out-of-bounds access while processing ARP/NCSI packets",
          "tags": [
            "mailing-list"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2020/11/27/1"
        },
        {
          "name": "FEDORA-2020-77f93f41be",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPCOHDEONMHH6QPJZKRLLCNRGRYODG7X/"
        },
        {
          "name": "FEDORA-2020-331e1318dd",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/45S5IHSWYITJKMRT23HCHJQDI674AMTQ/"
        },
        {
          "name": "[debian-lts-announce] 20210218 [SECURITY] [DLA 2560-1] qemu security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html"
        },
        {
          "name": "[debian-lts-announce] 20230314 [SECURITY] [DLA 3362-1] qemu security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-29130",
    "datePublished": "2020-11-26T00:00:00.000Z",
    "dateReserved": "2020-11-26T00:00:00.000Z",
    "dateUpdated": "2024-08-04T16:48:01.400Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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CNVD-2021-44715

CVE-2020-29130 (GCVE-0-2020-29130)

Tags

Sightings

Nomenclature

Related by attack behaviour